反应详情

Using compound (3R,3 aS)-3-((t-butyldimethylsiloxy)methyl)-1-oxo-1,3,3a,4-tetrahydrobenzo[b]oxazolo[3,4-d][1,4]oxazin-7-carbonitrile (0.538 g, 1.494 mmol), tetra-n-butylammonium fluoride (1M, 2.99 ml) as starting materials, preparation following the method as described in Example 1(b) afforded 0.24 g white solid, yield 65.3%.

1. custommaterials, preparation